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If you have a biometric software installed on your computer, you need to uninstall it in order to install Avast Internet Security 5 to work properly. The issue is that the biometric software interfers with the proper installation of Avast and on reboot, you will get "failure to logon" on windows 7 startup.

Most notable improvements include:
- solved a problem that could lead to disappearing of the avast service
- Behavior Shield: solved a minor stability issue (aswSP.sys)
- performance and stability improvements in the avast! sandbox
- changes in the engine allowing us to generically detect/block some new types of exploits
- speed improvements in the updater
- IS: fixed a vulnerability in aswFw.sys (Secunia Advisory SA40868)
- IS: upgraded to the new version of antispam engine
- minor changes and fixes in the GUI
- fixes in the screen reader support
- added Danish and Hebrew language packs

- solved the vulnerability related to license files (Secunia Advisory SA41109)
- solved a UI crash condition during File system shield detections
- solved a problem with scanning of files with very long path names
- fixed the updater in East-Asian versions of avast running with Windows set to a different locale
- added Urdu language pack

What's new
Most notable improvements include:
- solved a problem that could lead to disappearing of the avast service
- Behavior Shield: solved a minor stability issue (aswSP.sys)
- performance and stability improvements in the avast! sandbox
- changes in the engine allowing us to generically detect/block some new types of exploits
- speed improvements in the updater
- IS: fixed a vulnerability in aswFw.sys (Secunia Advisory SA40868)
- IS: upgraded to the new version of antispam engine
- minor changes and fixes in the GUI
- fixes in the screen reader support
- added Danish and Hebrew language packs

And subsequently in 5.0.661:
- solved the vulnerability related to license files (Secunia Advisory SA41109)
- solved a UI crash condition during File system shield detections
- solved a problem with scanning of files with very long path names
- fixed the updater in East-Asian versions of avast running with Windows set to a different locale
- added Urdu language pack

And in 5.0.668:
- solved the pesky memory leak introduced in v5.0.661
- a few cosmetic fixes in the UI
- improvements in the avast sandbox
- improvements in the Outlook antispam plugin (it would be helpful if users of the avast Internet Security could test this one).

What's new
Most notable improvements include:
- solved a problem that could lead to disappearing of the avast service
- Behavior Shield: solved a minor stability issue (aswSP.sys)
- performance and stability improvements in the avast! sandbox
- changes in the engine allowing us to generically detect/block some new types of exploits
- speed improvements in the updater
- IS: fixed a vulnerability in aswFw.sys (Secunia Advisory SA40868)
- IS: upgraded to the new version of antispam engine
- minor changes and fixes in the GUI
- fixes in the screen reader support
- added Danish and Hebrew language packs

And subsequently in 5.0.661:
- solved the vulnerability related to license files (Secunia Advisory SA41109)
- solved a UI crash condition during File system shield detections
- solved a problem with scanning of files with very long path names
- fixed the updater in East-Asian versions of avast running with Windows set to a different locale
- added Urdu language pack

And in 5.0.668:
- solved the pesky memory leak introduced in v5.0.661
- a few cosmetic fixes in the UI
- improvements in the avast sandbox
- improvements in the Outlook antispam plugin (it would be helpful if users of the avast Internet Security could test this one).

And in 5.0.673:
- more improvements in the avast sandbox
- few fixes in the new language modules
- Firewall: improvement in the path name matching (now handling correctly symbolic links etc)
- added trimming of setup.log
- a stability improvement in the avast service

Latest version of Avast Antivirus

Uninstall Avast Free AntivirusAm using a HP Probook 4540s, running on A Win 7 x64 bit OS, 4gb ram, 2.6ghz core i5, I installed Avast Free Antivirus and it reached a point whereby it wouldn't update but lags a lot, I tried uninstalling it normally with windows uninstall program but it wouldn't go through, tried Revo uninstaller...

System Security

Avast antivirusI recently ran a scan with my Avast anti virus program. Several Threats found came up in the results. There we're options to delete or isolate them. I tried both but nothing happened. How do I get rid of these viruses for good? Thanks. Hal.
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